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El-Sharkawy K.A, El-Sehrawi H.M, Ibrahim R.A. The Reaction of 2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophenes with Benzoyl-Isothiocyanate: Synthesis of Annulated Thiophene Derivatives and Their Antitumor Evaluations. International Journal of Organic Chemistry.2012;2.126-134. El-Sayed HA, Moustafa AH, Haikal Ael F, Abu-El-Halawa R, El Ashry el SH. ................
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